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Re: [cssom-view] extending CSSStyleDeclaration with the CSS properties defined in SVG 1.1

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Fri, 08 Jul 2011 15:42:23 -0400
Message-ID: <4E175D9F.40802@mit.edu>
To: www-style@w3.org
On 7/8/11 8:28 AM, Erik Dahlstrom wrote:
> On Thu, 07 Jul 2011 17:25:06 +0200, Boris Zbarsky <bzbarsky@mit.edu> wrote:
>
>> On 7/7/11 8:28 AM, Erik Dahlstrom wrote:
>>> There are at least three different implementations (webkit, gecko and
>>> presto) that support the CSS properties added by SVG 1.1 on the
>>> CSSStyleDeclaration interface[1]
>>
>> Though not interoperably (c.f. "filter")....
>>
>> -Boris
>
> True, that property has been implemented un-prefixed in Internet
> Explorer in a different way than what SVG specifies. Is the non-svg
> syntax in 'filter' still supported in IE10 without the '-ms-' prefix?

I have no idea, but I wasn't talking about IE (which you didn't even 
mention), and I wasn't talking about syntax.

For example, this testcase:

   <!DOCTYPE html>
   <pre><script>
     document.writeln(typeof(document.documentElement.style.filter))
   </script></pre>

writes out "string" in Gecko and Presto but "undefined" in WebKit.

> For all the other properties I'd be surprised if there were any issues
> like that though. And I'd rather see those properties included in the
> draft than having them all left out because of 'filter'.

That's fine, and I have no objection to adding the properties (heck, we 
added them in Gecko!).  Just saying that there are some landmines here.

> The elm.style.filter detection is currently being used on some sites to determine that the
> browser used is Internet Explorer (not a very good way of detecting that
> IMHO, but there we have it).

Note that we have been convincing such sites to fix their 
browser-detection, somewhat.  So maybe the problem will go away.

-Boris
Received on Friday, 8 July 2011 19:42:54 GMT

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